Xnapper - Take beautiful screenshots instantly

Framer - 🔥 Design real websites right on the canvas.

Pika.style - A free tool to quickly convert screenshots into beautiful website and device mockups. You can create customizable images for App Store, Instagram, and more

MontageJS - MontageJS framework is a platform to develop and create single page applications (which load single HTML page and dynamically update the app as the user puts in inputs or requests or interacts with the page.) with ease.

Screely - Screely instantly generates dribbble-ready images. Simply upload your screenshot and we'll do the rest.

Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.